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Da Vinci Rolling Ball Timer
 ACADEMY Reference : 94LV18174

 Price : 21,90 €   Qté    
DAVINCI ROLLING BALL TIMER. 100% New Tooling.? The da Vinci Rolling Ball Timer is based on a sketch of an escapement mechanism drawn by Leonardo da Vinci. The kit uses the principles of gravity and kinetics to measure the passage of time. It employs precision gears to power a platform in a “see-saw” pattern that propels a rolling ball. When complete, it exhibits concepts relating to the laws of motion and delivers hours of entertainment.
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